JP2848980B2 - クロロテトラフルオロエタンとオクタフルオロシクロブタンとの混合物の製造方法 - Google Patents
クロロテトラフルオロエタンとオクタフルオロシクロブタンとの混合物の製造方法Info
- Publication number
- JP2848980B2 JP2848980B2 JP3079052A JP7905291A JP2848980B2 JP 2848980 B2 JP2848980 B2 JP 2848980B2 JP 3079052 A JP3079052 A JP 3079052A JP 7905291 A JP7905291 A JP 7905291A JP 2848980 B2 JP2848980 B2 JP 2848980B2
- Authority
- JP
- Japan
- Prior art keywords
- chlorotetrafluoroethane
- octafluorocyclobutane
- mixture
- chlorodifluoromethane
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C19/00—Acyclic saturated compounds containing halogen atoms
- C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
- C07C19/10—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine
- C07C19/12—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine having two carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C23/00—Compounds containing at least one halogen atom bound to a ring other than a six-membered aromatic ring
- C07C23/02—Monocyclic halogenated hydrocarbons
- C07C23/06—Monocyclic halogenated hydrocarbons with a four-membered ring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/09—Plural feed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/20—Power plant
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE40118207 | 1990-04-12 | ||
DE4011820A DE4011820A1 (de) | 1990-04-12 | 1990-04-12 | Verfahren zur herstellung von gemischen aus chlortetrafluorethan und octafluorcyclobutan |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04224529A JPH04224529A (ja) | 1992-08-13 |
JP2848980B2 true JP2848980B2 (ja) | 1999-01-20 |
Family
ID=6404261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3079052A Expired - Fee Related JP2848980B2 (ja) | 1990-04-12 | 1991-04-11 | クロロテトラフルオロエタンとオクタフルオロシクロブタンとの混合物の製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5129997A (de) |
EP (1) | EP0451793B1 (de) |
JP (1) | JP2848980B2 (de) |
DE (2) | DE4011820A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5401429A (en) * | 1993-04-01 | 1995-03-28 | Minnesota Mining And Manufacturing Company | Azeotropic compositions containing perfluorinated cycloaminoether |
US5494601A (en) * | 1993-04-01 | 1996-02-27 | Minnesota Mining And Manufacturing Company | Azeotropic compositions |
US6230501B1 (en) | 1994-04-14 | 2001-05-15 | Promxd Technology, Inc. | Ergonomic systems and methods providing intelligent adaptive surfaces and temperature control |
US5632928A (en) * | 1995-05-31 | 1997-05-27 | E. I. Du Pont De Nemours And Company | Azeotrope (like) compositions with octafluorobutane, optionally chlorinated, and either perfluorodimethylcyclobutane or perfluorohexane |
US5800682A (en) * | 1996-10-08 | 1998-09-01 | Alliedsignal Inc. | Process for the production of difluoromethane |
FR2759078B1 (fr) * | 1997-02-04 | 1999-03-05 | Atochem Elf Sa | Purification du chlorotetrafluoroethane par distillation extractive |
KR100405187B1 (ko) * | 2001-02-20 | 2003-11-12 | 한국과학기술연구원 | 옥타플루오로사이클로부탄(rc318)의 제조방법 |
KR100405895B1 (ko) | 2001-02-20 | 2003-11-14 | 한국과학기술연구원 | 헥사플루오로프로필렌(hfp)과옥타플루오로사이클로부탄(rc318)의 동시 제조방법 |
CN107098793B (zh) * | 2017-05-05 | 2020-02-28 | 常熟三爱富中昊化工新材料有限公司 | 残液塔优化提高六氟丙烯生产中八氟环丁烷利用率的方法 |
CN112250540B (zh) * | 2020-10-14 | 2023-10-31 | 太仓中化环保化工有限公司 | 一种从精馏重组分中分离R134a、R133a和R124的方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2384449A (en) * | 1943-09-03 | 1945-09-11 | Kinetic Chemicals Inc | Separating fluorine compounds |
US2406794A (en) * | 1945-02-14 | 1946-09-03 | Kinetic Chemicals Inc | Process of separating pyrolysis products of chlorodifluoromethane |
US2551573A (en) * | 1945-11-30 | 1951-05-08 | Du Pont | Pyrolysis of chloro-fluoro alkanes |
US2640017A (en) * | 1949-07-14 | 1953-05-26 | Standard Oil Dev Co | Production of substantially pure and anhydrous alcohols by distillation |
DE1161877B (de) * | 1960-04-28 | 1964-01-30 | Du Pont | Verfahren zur Abtrennung von Perfluorkohlenstoffen |
US3408264A (en) * | 1966-11-22 | 1968-10-29 | Universal Oil Prod Co | Subatmospheric distillation of a benzene, toluene, ethyl benzene, styrene mixture ina single column with a cut-back oil |
SU541835A1 (ru) * | 1975-08-19 | 1977-01-05 | Предприятие П/Я Г-4904 | Способ получени тетрафторэтилена |
GB1587727A (en) * | 1977-09-15 | 1981-04-08 | Ici Ltd | Removal of impurities from xylene mixture by distillation |
US4623432A (en) * | 1984-04-23 | 1986-11-18 | Amoco Corporation | Removal of brominated organics from acetic acid obtained by oxidation of liquid butane in presence of Co-Br or Co-Mn-Br system catalysis |
DE3519161A1 (de) * | 1985-05-29 | 1986-12-04 | Hoechst Ag, 6230 Frankfurt | Verfahren zur reinigung von 1,2-dichlorethan |
DE3729106A1 (de) * | 1987-09-01 | 1989-03-09 | Hoechst Ag | Verfahren zur gewinnung von reinem tetrafluorethylen |
DE58904105D1 (de) * | 1988-03-14 | 1993-05-27 | Hoechst Ag | Verfahren zur herstellung von hexafluorpropen. |
-
1990
- 1990-04-12 DE DE4011820A patent/DE4011820A1/de not_active Withdrawn
-
1991
- 1991-04-09 DE DE59106453T patent/DE59106453D1/de not_active Expired - Fee Related
- 1991-04-09 EP EP91105617A patent/EP0451793B1/de not_active Expired - Lifetime
- 1991-04-10 US US07/683,238 patent/US5129997A/en not_active Expired - Lifetime
- 1991-04-11 JP JP3079052A patent/JP2848980B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE59106453D1 (de) | 1995-10-19 |
EP0451793A2 (de) | 1991-10-16 |
JPH04224529A (ja) | 1992-08-13 |
EP0451793A3 (en) | 1993-12-08 |
US5129997A (en) | 1992-07-14 |
DE4011820A1 (de) | 1991-10-17 |
EP0451793B1 (de) | 1995-09-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0686137B1 (de) | Verfahren zur Reinigung von Pentafluorethan in einem binären Azeotrop von Pentafluorethan und Chlorpentafluorethan | |
EP0354697B1 (de) | Verfahren zur Abtrennung von HF durch azeotrope Destillation | |
JP4389389B2 (ja) | 1,1,1,3,3−ペンタフルオロプロパンおよび1,1,1−トリフルオロ−3−クロロ−2−プロペンから成る共沸組成物およびそれを用いる分離精製方法、ならびに1,1,1,3,3−ペンタフルオロプロパンおよび1,1,1−トリフルオロ−3−クロロ−2−プロペンの製造方法 | |
DE69120971T2 (de) | Verfahren zur abtrennung von pentofluoräthan aus einer chlorpentafluoräthanenthaltenden kohlenwasserstoffenmischung. | |
US3101304A (en) | Distillation process for fluorocarbons | |
KR100332392B1 (ko) | 추출증류법을사용하여테트라플루오로에탄으로부터불순물을분리및제거하는방법 | |
JP3589978B2 (ja) | フルオロカーボンからフッ化水素を分離する方法 | |
EP0395793B1 (de) | Verfahren zur Trennung von 1,1-Dichlor-1-fluorethan und 1,1,1,3,3-Pentafluorbutan | |
JP2848980B2 (ja) | クロロテトラフルオロエタンとオクタフルオロシクロブタンとの混合物の製造方法 | |
JPH0269425A (ja) | 純粋なテトラフルオロエチレンの製造方法 | |
US5421964A (en) | Process for separating HCl and halocarbons | |
EP0098341B1 (de) | Trennung in wasserfreier Phase zur Gewinnung von Fluorwasserstoff aus einer Fluorierungsreaktion | |
US3282801A (en) | Extractive distillation of tetrafluoroethylene with an oxygenated hydrocarbon | |
EP0743933B1 (de) | Verfahren zur trennung von pentafluorethan aus einer mischung von halogenierten kohlenwasserstoffen und chloropentafluorethan | |
EP2051954B1 (de) | Azeotrope oder azeotropenähnliche zusammensetzungen aus 1,1,1-trifluorethan und 1-chlor-2,2,2-trifluorethan | |
JPH11116511A (ja) | 1,1,1,2,2−ペンタフルオロエタンの製造方法 | |
EP0743934B1 (de) | Verfahren zur trennung von pentafluorethan aus einer mischung, die halogenierte kohlenwasserstoffe und chlorpentafluorethan enthält | |
US5665266A (en) | Azeotropic and azeotrope-like compositions with HCL and halocarbon | |
CN1273424C (zh) | 二氟甲烷的纯化 | |
DE69006820T2 (de) | Verfahren zur Herstellung von 1,1-Dichlorotetrafluorethan. | |
KR100598890B1 (ko) | 하이드로플루오로카본의 정제 | |
US5723429A (en) | Azeotropic or azeotrope-like compositions of tetrafluoroethane and chlorotetrafluoroethane | |
US6175045B1 (en) | Process for the preparation of pentafluoroethane | |
US7141094B2 (en) | Azeotrope-like compositions of iodine heptafluoride and hydrogen fluoride | |
DE2652332C2 (de) | Verfahren zur Herstellung von 1,2-Dichloräthan |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19980929 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |